US12427447B2 - Treatment device for treating in particular liquid fluids, and treatment unit and connection head of a treatment device - Google Patents

Treatment device for treating in particular liquid fluids, and treatment unit and connection head of a treatment device

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Publication number
US12427447B2
US12427447B2 US17/541,651 US202117541651A US12427447B2 US 12427447 B2 US12427447 B2 US 12427447B2 US 202117541651 A US202117541651 A US 202117541651A US 12427447 B2 US12427447 B2 US 12427447B2
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United States
Prior art keywords
connection
housing
head
connection part
treatment unit
Prior art date
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Application number
US17/541,651
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US20220088506A1 (en
Inventor
Christian Thalmann
Mike Maertz
Duc Cuong Nguyen
Hemanth Kumar VENKATESH NAYAK
Ludwig Bammersperger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mann and Hummel GmbH
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Mann and Hummel GmbH
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Publication date
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Assigned to MANN+HUMMEL GMBH reassignment MANN+HUMMEL GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: Maertz, Mike, NGUYEN, DUC CUONG, THALMANN, CHRISTIAN, VENKATESH NAYAK, Hemanth Kumar, BAMMERSPERGER, LUDWIG
Publication of US20220088506A1 publication Critical patent/US20220088506A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/30—Filter housing constructions
    • B01D35/306—Filter mounting adapter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D27/00—Cartridge filters of the throw-away type
    • B01D27/04—Cartridge filters of the throw-away type with cartridges made of a piece of unitary material, e.g. filter paper
    • B01D27/06—Cartridge filters of the throw-away type with cartridges made of a piece of unitary material, e.g. filter paper with corrugated, folded or wound material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D27/00—Cartridge filters of the throw-away type
    • B01D27/08—Construction of the casing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/005—Filters specially adapted for use in internal-combustion engine lubrication or fuel systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/30—Filter housing constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/30—Filter housing constructions
    • B01D2201/301—Details of removable closures, lids, caps, filter heads
    • B01D2201/302—Details of removable closures, lids, caps, filter heads having inlet or outlet ports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/40—Special measures for connecting different parts of the filter
    • B01D2201/4007—Use of cam or ramp systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/40—Special measures for connecting different parts of the filter
    • B01D2201/4015—Bayonet connecting means

Definitions

  • a treatment unit for a treatment device in particular filter device, which comprises a housing with a housing pot, a housing cover, at least one inlet for the fluid to be treated, and at least one outlet for the treated fluid
  • the treatment unit is connectable to a connection head of the treatment device by means of a detachable bayonet-type connection device by performing a plug-in/rotation movement about a connection axis of a treatment device
  • the connection device comprises at least one housing connection part on the part of the housing that is configured for connecting the connection device to at least one head connection part on the part of the connection head, wherein the at least one inlet is connectable to at least one infeed of the connection head for the fluid to be treated and/or the at least one outlet is connectable to at least one drain of the connection head for the treated fluid.
  • the at least one housing connection part comprises at least one functional element that is operatively connectable to at least one complementary functional element of the head connection part, and the least one functional
  • connection head for a treatment device for connection to a treatment unit which comprises a housing with a housing pot, a housing cover, at least one inlet for the fluid to be treated, and at least one outlet for the treated fluid
  • connection head of the treatment device is connectable to the treatment unit by a detachable bayonet-type connection device by performing a plug-in/rotation movement about a connection axis of the treatment device
  • the connection device comprises at least one head connection part on the part of the connection head that is configured for connection of the connection device with at least one housing connection part on the part of the housing, wherein at least one infeed of the connection head is connectable to the at least one inlet for the fluid to be treated and/or at least one drain of the connection head is connectable to the at least one outlet for the treated fluid.
  • the at least one head connection part is provided therefor that comprises at least one functional element, wherein the at least one functional element is operatively connectable to at least one functional element of the housing connection part and wherein the at least one functional element comprises a support region that is perpendicular in relation to the connection axis.
  • a treatment device, in particular filter device, for a fluid, in particular for a liquid fluid, with an exchangeable treatment unit which comprises a housing with a housing pot, a housing cover, at least one inlet for the fluid to be treated, and at least one outlet for the treated fluid, and with a connection head that comprises at least one infeed for the fluid to be treated connectable to the at least one inlet and/or at least one drain for the treated fluid connectable to the at least one outlet.
  • the connection head and the treatment unit are connectable to each other by means of a detachable bayonet-type connection device by performing a plug-in/rotation movement about a connection axis of the treatment device.
  • connection device comprises at least one housing connection part on the part of the housing and at least one head connection part on the part of the connection head that are operatively connectable to each other for producing a connection of the connection device.
  • the housing connection part and the head connection part each comprise at least one mutually complementary functional element that are operatively connectable to each other.
  • the at least one of the mutually complementary functional elements comprises an assembly ramp that passes into a support region that is perpendicular in relation to the connection axis, while the other one of the mutually complementary functional elements comprises a slide region adjoined by a support region that is perpendicular in relation to the connection axis.
  • the two support regions are positioned on top of each other in relation to the connection axis.
  • the at least one functional element engages from behind the at least one complementary functional element of the connection device. In this manner, between the at least one functional element and the corresponding complementary functional element a tensile connection can be realized axially in relation to the connection axis.
  • the at least one functional element can extend advantageously circumferentially in relation to the connection axis for realizing the bayonet-type connection.
  • the at least one functional element and the corresponding functional element interacting therewith can be embodied to be complementary. In this manner, they can rest on each other areally in the closed position of the connection device. In this way, a force transmission can be improved. A load on the participating components can be further reduced in this way. The components can be dimensioned smaller for transmission of same forces. Due to the course of the two connection parts matched to each other, the axial expansions of the connection parts can be correspondingly reduced.
  • the connection parts can be shaped parts mutually engaging each other. The contours of the at least one functional element and of the corresponding complementary functional element can glide along each other upon opening or closing of the connection device.
  • an end stop in particular a lock element, can adjoin the respective support region in circumferential direction. In this manner, a defined position of the connection of connection head and treatment unit of the connection device relative to each other can be achieved.
  • one or a plurality of support regions of at least one of the functional elements can be provided, a total length of it or them in circumferential direction occupying at least 20% of a corresponding circumference on the same radius of the housing connection part and/or of a corresponding circumference on the same radius of the head connection part, preferably at least 23%, especially particularly preferred at least 30%.
  • a corresponding large region can be realized that can act in a force transmitting way.
  • the forces between the treatment unit and the connection head can act circumferentially more uniformly and better.
  • greater forces can be transmitted overall in this way.
  • the stability of the connection with the connection device can thus be improved.
  • the mechanical load of the connection device can thus be reduced. This can have a positive effect on the service life.
  • At least one of the functional elements can comprise at least one lock element of at least one lock safety device, in particular a lock projection or a lock section or a recess, which lock one behind the other, with each other, or in each other in the closed position of the at least one connection device.
  • a lock safety device With the lock safety device, a risk can be reduced that the connection device can be released by an accidental rotation of the treatment unit about the connection axis.
  • the corresponding lock elements can be separated from each other or moved past each other by a corresponding rotation of the treatment unit. For this purpose, it may be required to overcome corresponding locking forces. With such an increased force expenditure upon attachment, it can also be easily detected when the treatment unit is in its correct position.
  • the connection device can comprise at least one pretension element for realizing a mechanical pretension with which the mutually complementary functional elements can be pressed against each other.
  • the connection device can be held under a mechanical tension. Operation-caused vibrations can thus be dampened. Also, operation-caused noises can be reduced. In particular, a possible rattling can be prevented. Moreover, a possible locking force, which must be overcome for closing or opening the locking action, can be generated or increased.
  • the at least one pretension element can be arranged advantageously at the connection head. In this manner, it can be configured as a lifetime component. It must not be exchanged together with the treatment unit. Alternatively, or additionally, at least one pretension element can be arranged at the housing. It can thus be exchanged together with the treatment unit.
  • the at least one pretension element can advantageously be elastic.
  • the at least one pretension element can be elastic due to its shape and/or its material composition.
  • the at least one pretension element can comprise or consist of plastic material, in particular elastomer.
  • the at least one pretension element can be or comprise a spring element, in particular a bent wire part. It can be advantageously comprised of an elastic metal.
  • the at least one pretension element can perform in addition a sealing function.
  • the at least one pretension element can be combined with a seal or seal unit or vice versa.
  • the at least one pretension element can be realized with a return flow blocking membrane of the treatment unit or vice versa.
  • the return flow blocking membrane advantageously a passage of the housing for fluid, preferably the at least one inlet, can be closed in a flow direction. In this manner, a return flow of the fluid can be prevented.
  • At least one pair of correspondence elements can delimit a fluid-conducting space radially outwardly and/or radially inwardly.
  • the at least one seal device in particular an annular seal or an annular seal unit, can be arranged as close as possible to the connection axis, i.e., have a diameter as small as possible. In this manner, a force can be reduced which can be exerted by the at least one seal device in axial direction on the connection device.
  • the at least one seal device can comprise an O-ring or a shaped seal.
  • the seal device can act sealingly advantageously in relation to the connection axis radially, in particular outwardly or inwardly.
  • the at least one seal device can act sealingly in axial direction.
  • the seal groove of the seal unit can be covered at its side which is axially facing away from the filter bellows by a separate cover ring.
  • the cover ring can be connected in this context by means of clamping tabs to the outer seal socket.
  • the seal groove of the seal unit is not configured by means of a separate cover ring but as a part of the housing cover as one piece together with the housing cover. This can have an advantageous effect on the load capacity of the treatment unit.
  • At least one seal device can be arranged at the treatment unit, in particular the housing cover and/or, as needed, the end disk of the filter element. In this manner, the at least one seal device can be exchanged together with the treatment unit.
  • the at least one head connection part and/or the at least one housing connection part can be realized respectively with a minimal material thickness in comparison to their radial and circumferential expansion in relation to the connection axis.
  • the material thicknesses of the at least one head connection part and of the at least one housing connection part can be similarly sized.
  • the material thickness of the at least one head connection part and/or of the at least one housing connection part can be advantageously maximally 3 mm, preferably between 1 mm and 2 mm.
  • connection parts can be correspondingly formed from semi-finished product or form parts, in particular bent, folded, creased, cut or stamped or the like. In this manner, the corresponding lock sections can be realized, as needed.
  • At least one part of the semi-finished product or of the form parts can be provided radially inside of the head connection parts that are formed from semi-finished product or form parts, in particular bent, folded, creased, cut or stamped or the like.
  • the part of the semi-finished product or of the form parts arranged radially inside the head connection parts is closed in circumferential direction. In this way, the stability of the connection device and thus the stiffness and permanent load capacity of the connection between the connection parts can be improved.
  • connection parts can be arranged advantageously radially inside of at least one circumferential wall of the housing and/or of the connection head. In this manner, the bayonet-type connection device can be protected relative to the environment.
  • the connection device can advantageously be arranged in a corresponding connection space between the housing and the connection head.
  • the at least one functional element can rest against the corresponding complementary support region across an expansion as large as possible, preferably its entire expansion, in circumferential direction and in radial direction in relation to the connection axis. In this manner, a force transmission between the connection parts can be improved.
  • Corresponding guide contours of the at least one complementary support region can slide along corresponding guide contours of the corresponding support region during opening and closing of the connection device.
  • a material thickness of the at least one head connection part and/or of the at least one housing connection part in circumferential direction can be constant, respectively, at least in the region of the support regions. In this manner, in particular the axial space requirement of the connection device can be reduced.
  • the at least one support region and at least the support region interacting therewith can have an approximately screw-shaped course about the connection axis.
  • the housing connection part upon rotation of the treatment unit in closing rotation direction can be pulled by means of the connection parts at the same time in axial direction toward the connection head.
  • the gradients of the at least one support region and of the at least one complementary support region can be advantageously identical.
  • the contact surfaces 108 of the straight support regions 105 are located at the side of the respective housing-side functional element 104 which is facing the cover ring 61 of the housing cover 60 . In the closed state of the connection device 34 , the contact surfaces 108 are engaged from behind for interaction by one of the head-side functional elements 44 , respectively. In this context, the contact surfaces 108 of the straight support regions 105 are resting flat against the corresponding flat regions 45 of the functional elements 44 .
  • the crimp pulls the housing cover 60 into the notches 115 so that a robust anti-rotation safety is provided.
  • pretension element 54 In operation, a slight relative movement between pretension element 54 and rim 57 is generated due to vibrations.
  • the straight region 55 enables a more uniform contact and thus a more uniform wear as well as a reduced digging in of the pretension element 54 .
  • a reduced detachment moment is also realizable.
  • a scaling to different diameters of treatment units 14 which produce different vibration loads due to different masses, can be achieved.
  • the circumferential wall 28 surrounds an upper part of the annular splash guard part 150 .
  • the splash guard part 150 is illustrated in FIGS. 14 and 15 in two different views.
  • FIGS. 16 and 17 show a variant of the splash guard part 150 in same views.
  • the splash guard part 150 serves for protection of the functional elements 44 , 104 from splashing water and dust.
  • the splash guard part 150 is formed from a vulcanized elastomer or a thermoplastic elastomer (TPE) and seals preferably radially against the connection head 12 and preferably axially against the rim 57 of the treatment unit 14 .
  • TPE thermoplastic elastomer
  • small cutouts 156 in the form of a groove are provided.
  • the splash guard part 150 is preferably held and clamped by the head connection part 32 .
  • the splash guard part 150 can also be joined to the connection head 12 .
  • the splash guard part 150 projects outwardly circumferentially past the rim 57 with a lip 160 .
  • a further lip 162 is provided that serves during mounting for centering.
  • the lips 160 , 162 form a seal region 166 that preferably seals axially against the rim 57 .
  • the seal region 164 comprises a smaller diameter than the seal region 166 .
  • the lips 160 , 162 extend approximately with the same length in axial direction, wherein the inner lip 162 extends axially slightly farther than the outer lip.
  • the splash guard part 150 can be supported by the circumferential wall 28 at the connection head 12 which additionally shields against splash water and protects the splash guard part 150 from mechanical damage.
  • the splash guard part 150 has an umbrella-type shape. It seals in this context on a small diameter against the connection head 12 and on a large diameter against the rim 57 . In the regions in which the spring arms 53 of the pretension element 54 project toward the rim 57 , the splash guard part 150 comprises a respective bulge 152 which covers the respective spring arm 53 . In this context, in the closed state of the connection device 34 , the outer straight section 55 of the spring arms 53 of the pretension element 54 is received in a groove between lips 160 , 162 of the splash guard part 150 .
  • the splash guard part 150 comprises a membrane-type flexible region 159 that can be comprised of relatively thin material that is thinner than the material of the seal regions 164 , 166 .
  • the improved flexibility and deformability in this region 159 facilitates mounting of the treatment unit 14 because reduced deformation forces and a reduced friction moment are acting during mounting at the filter head.
  • the region 164 between seal to the connection head 12 and the region 166 of the support relative to the rim 57 is preferably outwardly curved as in case of a membrane, with a reduced wall thickness for good deformability.
  • the splash guard part 150 is pushed upwardly by approximately 1-4 mm when mounting the treatment unit 14 .
  • ribs 154 , 158 can be provided that additionally clamp the splash guard part 150 .
  • the ribs 154 , 158 are interrupted at the locations at which the thread elements 39 are arranged.
  • the outer lip 160 extends in axial direction significantly farther than the inner lip 162 , arranged at the rim 57 of the housing pot 58 ( FIG. 5 ). Since the outer lip 160 projects significantly axially past the rim 57 in the mounted state, laterally impacting splash water can be shielded better.
  • the treatment unit 14 is designed as a spin-on filter with a round cross section. It is substantially coaxial to the connection axis 20 .
  • the treatment unit 14 comprises a housing 56 with a housing pot 58 having a housing cover 60 fastened with its radially outer rim in the pot's open side by means of a crimp connection.
  • a stable cover ring 61 is arranged on the housing cover 60 toward the connection head 12 .
  • a radially outer diameter of the housing 56 in the region of the housing cover 60 is smaller than a radial inner diameter of the splash guard part 150 of the connection head 12 .
  • the housing pot 58 comprises an outwardly curved housing bottom 62 .
  • the housing cover 60 and the housing pot 58 consist of metal.
  • the housing cover 60 can also be welded to the housing pot 58 .
  • a spring-loaded bypass valve (not illustrated) can be arranged which permits in the open state, under conditions that are not of interest here, an oil flow of motor oil from the housing bottom 62 directly into the element interior 72 by bypassing the filter element.
  • the filter element 64 is surrounded radially outwardly by a raw-side annular space 78 which is delimited by the radially inner circumferential side of the housing pot 58 .
  • a coaxial central tube (not illustrated) can extend between the counter end disk 70 and the attachment end disk 68 .
  • a circumferential wall of the central tube is permeable for the motor oil.
  • a radially inner circumferential side, namely radially inner fold edges, of the filter bellows 66 can be supported at the radially outer circumferential side of the central tube.
  • the attachment end disk 68 comprises a coaxial outlet opening 82 for the filtered motor oil.
  • the attachment end disk 68 is formed as a coaxial cylinder socket 83 which extends away axially from the element interior 72 .
  • the inner seal unit 84 comprises a return flow blocking membrane 86 .
  • the return flow blocking membrane 86 is annular and surrounds the cylinder socket 83 radially outwardly.
  • the return flow blocking membrane 86 is resting under a mechanical pretension against the inner side of the housing cover 60 which is facing the filter bellows 66 . It closes, as illustrated in FIG. 3 , in the pressureless state a coaxial annular inlet opening 88 of the housing cover 60 for motor oil.
  • the return flow blocking membrane 86 opens due to the oil pressure in flow direction. A return flow of the motor oil through the inlet opening 88 is prevented by the return flow blocking membrane 86 .
  • a radially outer diameter of the outer seal socket 92 outside of the region of the seal groove 94 corresponds approximately to the radial inner diameter of the outer attachment socket 24 of the connection head 12 .

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Filtration Of Liquid (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
US17/541,651 2019-10-25 2021-12-03 Treatment device for treating in particular liquid fluids, and treatment unit and connection head of a treatment device Active 2042-12-05 US12427447B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE102019128834 2019-10-25
DE102019128834.7 2019-10-25
DE102020102163.1 2020-01-29
DE102020102163 2020-01-29
PCT/EP2020/079587 WO2021078780A1 (de) 2019-10-25 2020-10-21 Behandlungsvorrichtung zur behandlung von insbesondere flüssigen fluiden sowie behandlungseinheit und anschlusskopf einer behandlungsvorrichtung

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2020/079587 Continuation WO2021078780A1 (de) 2019-10-25 2020-10-21 Behandlungsvorrichtung zur behandlung von insbesondere flüssigen fluiden sowie behandlungseinheit und anschlusskopf einer behandlungsvorrichtung

Publications (2)

Publication Number Publication Date
US20220088506A1 US20220088506A1 (en) 2022-03-24
US12427447B2 true US12427447B2 (en) 2025-09-30

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US17/541,651 Active 2042-12-05 US12427447B2 (en) 2019-10-25 2021-12-03 Treatment device for treating in particular liquid fluids, and treatment unit and connection head of a treatment device

Country Status (8)

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US (1) US12427447B2 (pl)
EP (2) EP4397387A1 (pl)
JP (1) JP7674346B2 (pl)
KR (1) KR20220086555A (pl)
CN (1) CN114667179A (pl)
BR (1) BR112022005639A2 (pl)
PL (1) PL4048425T3 (pl)
WO (1) WO2021078780A1 (pl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12311293B2 (en) 2022-02-10 2025-05-27 Mann+Hummel Gmbh Filter head assembly having a threaded bayonet connector adapter with a position tolerance improving retainer ring

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5876600A (en) 1995-12-27 1999-03-02 Denso Corporation Element exchange type filter
US20090199522A1 (en) 2006-08-08 2009-08-13 Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh Compressed Air Supply Device
US20100155321A1 (en) 2008-12-23 2010-06-24 Sasur Timothy M Filter assembly
JP2013049012A (ja) 2011-08-31 2013-03-14 Sharp Corp 液体処理器
WO2015091665A1 (de) 2013-12-19 2015-06-25 Mann+Hummel Gmbh Behandlungsvorrichtung zur behandlung von insbesondere flüssigen fluiden und behandlungselement einer behandlungsvorrichtung
US20160201625A1 (en) 2015-01-12 2016-07-14 Mann+Hummel Gmbh Exchangeable Filter of a Filter Device for Fluid, Filter Device, and Filter Head of a Filter Device
US20160296860A1 (en) 2013-12-19 2016-10-13 Mann+Hummel Gmbh Treatment device for treating fluids, in particular liquid fluids, and treatment element of treatment device
US20170282104A1 (en) 2014-11-10 2017-10-05 3M Innovative Properties Company Fluid filter with optical key and manifold with optical lock
US20170292418A1 (en) 2016-04-06 2017-10-12 Mann+Hummel Gmbh Exchangeable Filter of a Treatment Device for Treatment of, in Particular, Liquid Fluids and Treatment Device
US20190030472A1 (en) 2015-04-30 2019-01-31 Miraial Co., Ltd. Filtration device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0346810Y2 (pl) * 1985-09-23 1991-10-03
US4764275A (en) * 1985-10-25 1988-08-16 Robichaud Arthur W Fluid filter and method for attaching same in sealing relation to a filter mount
JP2005349283A (ja) * 2004-06-09 2005-12-22 Japan Organo Co Ltd カートリッジ式ろ過器
WO2008118939A1 (en) * 2007-03-26 2008-10-02 Parker Hannifin Corporation Spin-on filter cartridge

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5876600A (en) 1995-12-27 1999-03-02 Denso Corporation Element exchange type filter
US20090199522A1 (en) 2006-08-08 2009-08-13 Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh Compressed Air Supply Device
US20100155321A1 (en) 2008-12-23 2010-06-24 Sasur Timothy M Filter assembly
JP2013049012A (ja) 2011-08-31 2013-03-14 Sharp Corp 液体処理器
WO2015091665A1 (de) 2013-12-19 2015-06-25 Mann+Hummel Gmbh Behandlungsvorrichtung zur behandlung von insbesondere flüssigen fluiden und behandlungselement einer behandlungsvorrichtung
US20160296860A1 (en) 2013-12-19 2016-10-13 Mann+Hummel Gmbh Treatment device for treating fluids, in particular liquid fluids, and treatment element of treatment device
US20160339364A1 (en) 2013-12-19 2016-11-24 Mann+Hummel Gmbh Treatment device for treating fluids, in particular liquid fluids, and treatment element of treatment device
US20170282104A1 (en) 2014-11-10 2017-10-05 3M Innovative Properties Company Fluid filter with optical key and manifold with optical lock
US20160201625A1 (en) 2015-01-12 2016-07-14 Mann+Hummel Gmbh Exchangeable Filter of a Filter Device for Fluid, Filter Device, and Filter Head of a Filter Device
US20190030472A1 (en) 2015-04-30 2019-01-31 Miraial Co., Ltd. Filtration device
US20170292418A1 (en) 2016-04-06 2017-10-12 Mann+Hummel Gmbh Exchangeable Filter of a Treatment Device for Treatment of, in Particular, Liquid Fluids and Treatment Device
US10907594B2 (en) 2016-04-06 2021-02-02 Mann+Hummel Gmbh Exchangeable filter of a treatment device for treatment of, in particular, liquid fluids and treatment device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Office Action in corresponding Japanese Appln. No. 2022-523977, Nov. 19, 2024, 4 pages, Japan.

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CN114667179A (zh) 2022-06-24
PL4048425T3 (pl) 2024-08-12
EP4048425B1 (de) 2024-03-27
JP7674346B2 (ja) 2025-05-09
JP2022553099A (ja) 2022-12-21
EP4397387A1 (de) 2024-07-10
BR112022005639A2 (pt) 2022-07-12
US20220088506A1 (en) 2022-03-24
EP4048425A1 (de) 2022-08-31
KR20220086555A (ko) 2022-06-23
WO2021078780A1 (de) 2021-04-29

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